Marcie solved the following inequality, and her work is shown below:
1 answer:
So basically, Marcie did everything right until she got to the last part of the problem.
At the part: -8x ≤ 24 , she should have changed the ≤ sign to this sign ≥ because when you multiply or divide then you have to change the sign.
So, "When dividing by -8, she did not change the ≤ to ≥.
~Hope I helped!~
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Hope this helps :)
Have a great day !
5INGH
x = 8.66 ft
Step-by-step explanation:
cos 30 = adj/hyp = x/10
---> x = (10 ft)cos30
= 8.66 ft
Answer:
the girls = 18
so 18÷3=6
6×4=24
24 boys
we have M is durectly porpotional to r^2
so M=(k)r^2
and when r=2, m=14
so 14=(k)(2)^2
k=14/4 =7/2
so when r=12
m= (7/2)(12)^2 =(7/2)(144) = 504